| 发明名称 |
SELECTIVE PLUG AND METHOD |
| 摘要 |
A selective plug including a body; and an incrementing configuration in operable communication with the body capable of causing the plug to selectively pass a number of borehole restrictions to reach and engage a target restriction and method.
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| 申请公布号 |
US2010294514(A1) |
申请公布日期 |
2010.11.25 |
| 申请号 |
US20090470927 |
申请日期 |
2009.05.22 |
| 申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
CROW STEPHEN L.;XU RICHARD Y. |
| 分类号 |
E21B33/12 |
主分类号 |
E21B33/12 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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